ARM: dts: aspeed: mtjade: switch to 64MB flash layout

As the 32MB flash layout will soon be exhausted, switch to 64MB layout.

Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Signed-off-by: Phong Vo <phong@os.amperecomputing.com>
Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20210517040036.13667-4-quan@os.amperecomputing.com


Signed-off-by: Joel Stanley <joel@jms.id.au>